nobu	2009-04-10 03:01:26 +0900 (Fri, 10 Apr 2009)

  New Revision: 23165

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=23165

  Log:
    * instruby.rb, mkconfig.rb: deal with --program-transform-name
      better.  now supports s, y commands and single addressing.

  Modified files:
    trunk/ChangeLog
    trunk/instruby.rb
    trunk/mkconfig.rb
    trunk/version.h

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 23164)
+++ ChangeLog	(revision 23165)
@@ -1,3 +1,8 @@
+Fri Apr 10 03:01:24 2009  Nobuyoshi Nakada  <nobu@r...>
+
+	* instruby.rb, mkconfig.rb: deal with --program-transform-name
+	  better.  now supports s, y commands and single addressing.
+
 Thu Apr  9 23:59:11 2009  Tanaka Akira  <akr@f...>
 
 	* configure.in: don't override the rule for ruby.
Index: mkconfig.rb
===================================================================
--- mkconfig.rb	(revision 23164)
+++ mkconfig.rb	(revision 23165)
@@ -83,12 +83,33 @@
     when /^\$\{ac_\w+\}$/; next
     when /^\$ac_\w+$/; next
     end
-    if /^program_transform_name$/ =~ name and /^s(\\?.)(.*)\1$/ =~ val
-      next if $install_name
-      sep = %r"#{Regexp.quote($1)}"
-      ptn = $2.gsub(/\$\$/, '$').split(sep, 2)
-      name = "ruby_install_name"
-      val = "ruby".sub(/#{ptn[0]}/, ptn[1])
+    if /^program_transform_name$/ =~ name
+      val.sub!(/\As(\W)(?:\^|\$\$)\1\1(;|\z)/, '')
+      if val.empty?
+        $install_name ||= "ruby"
+        next
+      end
+      unless $install_name
+        $install_name = "ruby"
+        val.gsub!(/\$\$/, '$')
+        val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\W)((?:\\.|(?!\3).)*)\3((?:\\.|(?!\3).)*)\3([gi]*)]) do
+          |addr, cmd, sep, pat, rep, opt|
+          if addr
+            Regexp.new(addr[/\A\/(.*)\/\z/, 1]) =~ $install_name or next
+          end
+          case cmd
+          when 's'
+            pat = Regexp.new(pat, opt.include?('i'))
+            if opt.include?('g')
+              $install_name.gsub!(pat, rep)
+            else
+              $install_name.sub!(pat, rep)
+            end
+          when 'y'
+            $install_name.tr!(Regexp.quote(pat), rep)
+          end
+        end
+      end
     end
     val.gsub!(/ +(?!-)/, "=") if name == "configure_args" && /mswin32/ =~ RUBY_PLATFORM
     val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump
Index: version.h
===================================================================
--- version.h	(revision 23164)
+++ version.h	(revision 23165)
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.2"
-#define RUBY_RELEASE_DATE "2009-04-09"
+#define RUBY_RELEASE_DATE "2009-04-10"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
@@ -8,7 +8,7 @@
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 9
+#define RUBY_RELEASE_DAY 10
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];
Index: instruby.rb
===================================================================
--- instruby.rb	(revision 23164)
+++ instruby.rb	(revision 23165)
@@ -381,11 +381,35 @@
   if File::ALT_SEPARATOR
     ruby_bin = ruby_shebang.tr(File::SEPARATOR, File::ALT_SEPARATOR)
   end
+  if trans = CONFIG["program_transform_name"]
+    exp = []
+    trans.gsub!(/\$\$/, '$')
+    trans.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\W)((?:\\.|(?!\3).)*)\3((?:\\.|(?!\3).)*)\3([gi]*)]) do
+      |addr, cmd, sep, pat, rep, opt|
+      addr &&= Regexp.new(addr[/\A\/(.*)\/\z/, 1])
+      case cmd
+      when 's'
+        next if pat == '^' and rep.empty?
+        exp << [addr, (opt.include?('g') ? :gsub! : :sub!),
+                Regexp.new(pat, opt.include?('i')), rep]
+      when 'y'
+        exp << [addr, :tr!, Regexp.quote(pat), rep]
+      end
+    end
+    trans = proc do |base|
+      exp.each {|addr, opt, pat, rep| base.__send__(opt, pat, rep) if !addr or addr =~ base}
+      base
+    end
+  elsif /ruby/ =~ ruby_install_name
+    trans = proc {|base| ruby_install_name.sub(/ruby/, base)}
+  else
+    trans = proc {|base| base}
+  end
   for src in Dir[File.join(srcdir, "bin/*")]
     next unless File.file?(src)
     next if /\/[.#]|(\.(old|bak|orig|rej|diff|patch|core)|~|\/core)$/i =~ src
 
-    name = ruby_install_name.sub(/ruby/, File.basename(src))
+    name = trans[File.basename(src)]
 
     shebang = ''
     body = ''

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